Home / 17,147.80-23,650.68-11,480.74

Finding the Fourth Proportional to 17,147.80, 23,650.68 and 11,480.74

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Solution

The fourth proportional to 17,147.80, 23,650.68 and 11,480.74 is: 15,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.80 : 23,650.68 = 11,480.74 : x
  2. Step 2: Convert to fraction form
    17,147.80/23,650.68 = 11,480.74/x
  3. Step 3: Cross multiply
    17,147.80x = 23,650.68 × 11,480.74
  4. Step 4: Simplify right side
    17,147.80x = 271,527,291.83
  5. Step 5: Solve for x
    x = 271,527,291.83/17,147.80
  6. Step 6: Final answer
    x = 15,834.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.